Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071621 | Method of supplying scents to a room of a motor vehicle | Norihiro Yamaguchi, Hiroaki Watanabe | 1991-12-10 |
| 5046910 | Main body structure for underground parking lot and underground parking lot using the structure | Teruo Hatano, Koshin Kikuchi, Shinichi Ozaki | 1991-09-10 |
| 5030253 | Fragrant air supplying method and supplying system | Hisato Yano, Tsuyoshi Horiyama, Norihiro Yamaguchi, Hiroaki Watanabe, Shusa Hashimoto | 1991-07-09 |
| 5023020 | Method for supplying aromas, apparatus therefore and facilities provided with same | Hiroji Machida, Michiaki Asano, Yozo Watanabe, Hiroshi Satoh, Motoyuki Iwahashi +3 more | 1991-06-11 |
| 4995765 | Method of collecting wastes and system therefor | Nobutaka Koibuchi, Teruhiko Miyauchi, Koshin Kikuchi, Jun Hirokawa, Kunio Yamashiro +5 more | 1991-02-26 |
| 4957190 | Apparatus for conveying refuse containers | Teruhiko Miyauchi, Koshin Kikuchi, Teruhiko Momoi | 1990-09-18 |